039 WTNT80 EGRR 311612 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 31.05.2023 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 18 HOURS FORECAST POSITION AT T+ 18 : 27.4N 86.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 01.06.2023 28.0N 87.2W WEAK WEAKENING RAPIDLY 00UTC 02.06.2023 28.1N 87.2W WEAK LITTLE CHANGE 12UTC 02.06.2023 27.5N 87.2W WEAK LITTLE CHANGE 00UTC 03.06.2023 26.3N 86.3W WEAK LITTLE CHANGE 12UTC 03.06.2023 24.8N 85.4W WEAK LITTLE CHANGE 00UTC 04.06.2023 24.4N 83.2W WEAK LITTLE CHANGE 12UTC 04.06.2023 25.3N 79.9W MODERATE LITTLE CHANGE 00UTC 05.06.2023 27.5N 75.7W MODERATE LITTLE CHANGE 12UTC 05.06.2023 31.6N 71.9W MODERATE LITTLE CHANGE 00UTC 06.06.2023 36.4N 68.9W MODERATE LITTLE CHANGE 12UTC 06.06.2023 39.5N 67.5W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 78 HOURS FORECAST POSITION AT T+ 78 : 28.6N 51.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 04.06.2023 28.3N 49.3W WEAK WEAKENING SLIGHTLY 12UTC 04.06.2023 28.0N 41.9W WEAK LITTLE CHANGE 00UTC 05.06.2023 28.5N 34.4W WEAK LITTLE CHANGE 12UTC 05.06.2023 28.8N 29.0W MODERATE LITTLE CHANGE 00UTC 06.06.2023 30.9N 23.2W WEAK LITTLE CHANGE 12UTC 06.06.2023 32.8N 18.8W MODERATE LITTLE CHANGE THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT. BULLETINS ARE NOW AVAILABLE WHICH PROVIDE EXPLICIT GUIDANCE ON CENTRAL PRESSURE AND MAXIMUM WIND SPEED. FOR FURTHER INFORMATION CONTACT TROPICAL_CYCLONES@METOFFICE.GOV.UK MET OFFICE, EXETER, UK TOO 311612